This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A189714 #10 Oct 21 2024 18:28:15 %S A189714 1,5,19,61,146,336,757,1711,3868,8752,19680,43869,96695,210638,453863, %T A189714 968875,2053227,4328457,9093933,19068574,39943650,83628355,175018478, %U A189714 366081158,765102861,1597315609,3330380539,6933810090,14414812994,29924339675,62038821363 %N A189714 Sums of rows of Zorach additive triangle (cf. A035312). %C A189714 a(n) = Sum(A035312(n,k): 0 <= k <= n). %H A189714 Reinhard Zumkeller, <a href="/A189714/b189714.txt">Table of n, a(n) for n = 0..1000</a> %H A189714 A. C. Zorach, <a href="http://www.cazort.net/static/triangle.php">Additive triangle</a> %H A189714 <a href="/A035312/a035312_2.hs.txt">Haskell programs for sequences in connection with Zorach additive triangle</a> %o A189714 (Haskell) -- See link. %K A189714 nonn %O A189714 0,2 %A A189714 _Reinhard Zumkeller_, Apr 30 2011